5 // Copyright 2011 GRNET S.A. All rights reserved.
7 // Redistribution and use in source and binary forms, with or
8 // without modification, are permitted provided that the following
11 // 1. Redistributions of source code must retain the above
12 // copyright notice, this list of conditions and the following
15 // 2. Redistributions in binary form must reproduce the above
16 // copyright notice, this list of conditions and the following
17 // disclaimer in the documentation and/or other materials
18 // provided with the distribution.
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21 // OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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23 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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38 #import "PithosAccountNode.h"
39 #import "PithosContainerNode.h"
40 #import "ASIPithosAccountRequest.h"
41 #import "ASIPithosContainer.h"
42 #import "ASIDownloadCache.h"
44 @implementation PithosAccountNode
47 #pragma mark Object Lifecycle
50 [accountRequest clearDelegatesAndCancel];
51 [accountRequest release];
57 #pragma mark ASIHTTPRequestDelegate
59 - (void)accountRequestFinished:(ASIPithosAccountRequest *)request {
60 NSLog(@"URL: %@", [accountRequest url]);
61 NSLog(@"cached: %d", [accountRequest didUseCachedResponse]);
63 NSArray *someContainers = [accountRequest containers];
64 if (containers == nil) {
65 containers = [[NSMutableArray alloc] initWithArray:someContainers];
67 [containers addObjectsFromArray:someContainers];
69 if ([someContainers count] < 10000) {
70 if (!accountRequest.didUseCachedResponse || ([containers count] != [someContainers count]) || !children) {
72 NSLog(@"using newChildren");
73 newChildren = [[NSMutableArray alloc] init];
74 for (ASIPithosContainer *container in containers) {
75 PithosContainerNode *node = [[[PithosContainerNode alloc] initWithPithosContainer:container] autorelease];
78 NSUInteger oldIndex = [children indexOfObject:node];
79 if (oldIndex != NSNotFound) {
80 // Use the same pointer value, if possible
81 node = [children objectAtIndex:oldIndex];
82 node.pithosContainer = container;
85 [newChildren addObject:node];
88 // Else cache was used and all results were fetched during this request, so existing children can be reused
89 [accountRequest release];
93 // XXX sort children based on preferences
95 freshness = PithosNodeStateRefreshFinished;
97 // Notify observers that children are updated
98 [[NSNotificationCenter defaultCenter] postNotificationName:@"PithosAccountNodeChildrenUpdated" object:self];
100 [accountRequest release];
101 // Do an additional request to fetch more objects
102 accountRequest = [[ASIPithosAccountRequest listContainersRequestWithLimit:0
103 marker:[[someContainers lastObject] name]
106 accountRequest.delegate = self;
107 accountRequest.downloadCache = [ASIDownloadCache sharedCache];
108 [accountRequest startAsynchronous];
112 - (void)accountRequestFailed:(ASIPithosAccountRequest *)request {
113 // XXX do something on error, cleanup
114 NSLog(@"error:%@", [accountRequest error]);
115 [newChildren release];
117 [accountRequest release];
118 accountRequest = nil;
119 [containers release];
121 @synchronized(self) {
122 freshness = PithosNodeStateRefreshNeeded;
127 #pragma mark Properties
131 url = [[ASIPithosRequest storageURL] copy];
135 - (NSArray *)children {
136 @synchronized(self) {
138 case PithosNodeStateFresh:
140 case PithosNodeStateRefreshNeeded:
141 freshness = PithosNodeStateRefreshing;
142 accountRequest = [[ASIPithosAccountRequest listContainersRequestWithLimit:0
146 accountRequest.delegate = self;
147 accountRequest.didFinishSelector = @selector(accountRequestFinished:);
148 accountRequest.didFailSelector = @selector(accountRequestFailed:);
149 accountRequest.downloadCache = [ASIDownloadCache sharedCache];
150 [accountRequest startAsynchronous];
152 case PithosNodeStateRefreshing:
154 case PithosNodeStateRefreshFinished:
157 children = newChildren;
160 freshness = PithosNodeStateFresh;
168 - (NSString *)displayName {
169 if (displayName == nil) {
170 displayName = [[NSString alloc] initWithString:@"account"];